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It's a great, big universe out there. In this section of Khan Academy, you'll learn about the brain-bending vastness of time and space. We go from plate tectonics here on Earth to entire galaxies and beyond.
Astronomy - Cosmology, Universe, Stars: Cosmology is the scientific study of the universe as a unified whole, from its earliest moments through its evolution to its ultimate fate. The currently accepted cosmological model is the big bang. In this picture, the expansion of the universe started in an intense explosion 13.8 billion years ago. In this primordial fireball, the temperature exceeded ...
7 de abr. de 2019 · Cosmology is the discipline of science that studies the origin and eventual fate of the universe. It is most closely related to the specific fields of astronomy and astrophysics, though the last century has also brought cosmology closely in line with key insights from particle physics. In other words, we reach a fascinating realization:
Cosmology New JWST images suggest our understanding of the cosmos is flawed JWST data don’t resolve a disagreement over how fast the universe is expanding, suggesting we might need strange new ...
Physical cosmology. Physical cosmology is a branch of cosmology concerned with the study of cosmological models. A cosmological model, or simply cosmology, provides a description of the largest-scale structures and dynamics of the universe and allows study of fundamental questions about its origin, structure, evolution, and ultimate fate. [1]
宇宙學或宇宙論（英語： Cosmology ） ，是對宇宙整體的研究，並且延伸探討至人類在宇宙中的地位。 雖然宇宙學這個詞是最近才有的，但人們對宇宙的研究已經有很長的一段歷史，牽涉到 科學 、 哲學 、 神秘学 以及 宗教 。
This course provides an overview of astrophysical cosmology with emphasis on the Cosmic Microwave Background (CMB) radiation, galaxies and related phenomena at high redshift, and cosmic structure formation. Additional topics include cosmic inflation, nucleosynthesis and baryosynthesis, quasar (QSO) absorption lines, and gamma-ray bursts. Some background in general relativity is assumed.
